package jdbc;

import javax.naming.ContextNotEmptyException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Demo12 {
    public static void main(String[] args) {
        try (Connection connection = DBUtil.getConnection()){
            connection.setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED);
            connection.setAutoCommit(false);
            String sql = "INSERT INTO user(username,password,nickname,age) " +
                    "VALUES (?,?,?,?)";
            PreparedStatement ps = connection.prepareStatement(sql);
            ps.setString(1,"传奇");
            ps.setString(2,"123456");
            ps.setString(3,"大奇");
            ps.setInt(4,20);
            int num = ps.executeUpdate();
            System.out.println(num>0?"插入成功":"插入失败");
            connection.commit();
        } catch (SQLException e) {
            //connection.rollback();
            e.printStackTrace();
        }
    }
}
